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Photopigments are
unstable pigments that
undergo a
chemical change when they
absorb light. The term is
generally applied to the non-protein chromop****...
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different between rod and cone
cells and
results from the
regeneration of
photopigments to
increase retinal sensitivity.
Light adaptation, in contrast, works...
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intrinsically photosensitive.
Hattar concluded that
melanopsin is the
photopigment in a
small subset of RGCs that
contributes to the
intrinsic photosensitivity...
- Jacobs, G. H.; Deegan, J. F.; Neitz; Neitz, J.; Crognale, M. A. (1993). "
Photopigments and
colour vision in the
nocturnal monkey, Aotus".
Vision Research....
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redundancy between the
three photopigments in the
photoentrainment pathway of mammals.
Deletion of only one
photopigment does not
eliminate the organism's...
- 1515/aoas-2015-0031. Jacobs, G.H.; Deegan, J.F.; Neitz, J. (1998). "
Photopigment basis for
dichromatic color vision in cows,
goats and sheep". Vis. Neurosci...
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apparently originated in a
freshwater or
terrestrial environment.
Their photopigments can
absorb the red- and blue-spectrum
frequencies of
sunlight (thus...
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include both rods for
vision in low light, and
cones with
three different photopigments for
bright light,
where they have full-color vision.
There is possibly...
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study suggests that as many as 50% of
women and 8% of men may have four
photopigments and
corresponding increased chromatic discrimination,
compared to trichromats...
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sensitivity is used to
describe the
different characteristics of the
photopigments in the rod
cells and cone
cells in the
retina of the eye. It is known...
